/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMController.h
Closes an undo bracket / scoped transaction. This is primarily useful for Python. This causes a UndoBracketClosed modified event.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=RigVMController) bool CloseUndoBracket()